The 22-year-old has secured a move to Anfield after falling down the pecking order at Jose Mourinho's Chelsea side, becoming Brendan Rodgers' eighth signing of the summer
|12/1||Liverpool are 12/1 with BetVictor to win the Premier League
The Nigeria international joins Mamadou Sakho and Tiago Ilori in joining Liverpool on deadline day, although Fabio Borini is close to leaving Merseyside for a loan move to Sunderland.
"First and foremost, I'm delighted to have made the loan from Chelsea to a big club like Liverpool," he told the club's official website.
"The most important thing is for me to be professional about it and I'm here to do a job for the club.
"The target is to get into the top four and for the club to compete in the Champions League - and I'm delighted to be here.
"The manager has done very well and the formation and players here will help me and I just want to gel in, get to know the players and play with them.
"There are a lot of quality players here - they're winning games and creating chances. It's a massive thing for me to be here."
Moses moved to Stamford Bridge from Wigan last summer, making 42 appearances and scoring 10 goals.